ref­man – For­mat tech­ni­cal ref­er­ence man­u­als

Doc­u­ment classes (re­port- and ar­ti­cle-style) for writ­ing tech­ni­cal
ref­er­ence man­u­als. It of­fers a wide left mar­gin for notes to the
reader, like some of the man­u­als dis­tributed by Adobe.